plumb bob

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Related to plumb bobs: plumb line

plumb bob

n.
A usually conical metal weight attached to the end of a plumb line. Also called plummet.

plumb bob

n
(Building) the weight, usually of lead, at the end of a plumb line; plummet

plum•met

(ˈplʌm ɪt)

n.
1. the piece of lead or other weight attached to a plumb line; bob of a plumb line.
v.i.
2. to fall straight or sharply down; plunge.
[1350–1400; Middle English plommet < Middle French, diminutive of plomb lead. See plumb, -et]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plumb bob - the metal bob of a plumb lineplumb bob - the metal bob of a plumb line  
bob - a hanging weight, especially a metal ball on a string
plumb line, perpendicular - a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
Translations

plumb bob

nLot nt, → Senkblei nt

plumb bob

npiombino
References in periodicals archive ?
Visitors were invited to navigate hundreds of swinging plumb bobs activated by computer programming.
The company retails laser levels and laser level accessories of all types including rotary lasers, laser line levels, laser plumb bobs, laser distance meters, laser detectors, and torpedo lasers.
It took years of corrosion and dropping plumb bobs to penetrate the striking plate and hull.
Chalk line reels can also be used as plumb bobs, but are largely used to mark long lines on floors, wails and ceilings.
For the first time across the US, Home Depot will be selling solar devices alongside its plumb bobs and Behr paint.
Plumb bobs have one major drawback: They don't work in windy conditions.